Health

Doubt cast over face mask benefit

Face masks are a common sight in some of the world's most polluted cities but a recent study has cast fresh doubt over their effectiveness.

Alzheimer's disease & dementia

Air pollution may lead to dementia in older women

Tiny air pollution particles—the type that mainly comes from power plants and automobiles—may greatly increase the chance of dementia, including Alzheimer's disease, according to USC-led research.

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